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Finding the Fourth Proportional to 2,450.96, 3,381.96 and 1,402.64

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Solution

The fourth proportional to 2,450.96, 3,381.96 and 1,402.64 is: 1,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.96 : 3,381.96 = 1,402.64 : x
  2. Step 2: Convert to fraction form
    2,450.96/3,381.96 = 1,402.64/x
  3. Step 3: Cross multiply
    2,450.96x = 3,381.96 × 1,402.64
  4. Step 4: Simplify right side
    2,450.96x = 4,743,672.37
  5. Step 5: Solve for x
    x = 4,743,672.37/2,450.96
  6. Step 6: Final answer
    x = 1,935.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.